212351756367057 has 8 divisors (see below), whose sum is σ = 283136466485376. Its totient is φ = 141567441913392.

The previous prime is 212351756367029. The next prime is 212351756367071. The reversal of 212351756367057 is 750763657153212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212351756367057 - 2¹⁶ = 212351756301521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212351754367057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97661598 + ... + 99812279.

It is an arithmetic number, because the mean of its divisors is an integer number (35392058310672).

Almost surely, 2^{212351756367057} is an apocalyptic number.

It is an amenable number.

212351756367057 is a deficient number, since it is larger than the sum of its proper divisors (70784710118319).

212351756367057 is a wasteful number, since it uses less digits than its factorization.

212351756367057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197832327.

The product of its (nonzero) digits is 55566000, while the sum is 60.

The spelling of 212351756367057 in words is "two hundred twelve trillion, three hundred fifty-one billion, seven hundred fifty-six million, three hundred sixty-seven thousand, fifty-seven".